diff --git a/native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/compilation/TestCompilationResult.kt b/native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/compilation/TestCompilationResult.kt
index d83d5dfb5b2..e5c1e566162 100644
--- a/native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/compilation/TestCompilationResult.kt
+++ b/native/native.tests/tests/org/jetbrains/kotlin/konan/test/blackbox/support/compilation/TestCompilationResult.kt
@@ -8,7 +8,9 @@ package org.jetbrains.kotlin.konan.test.blackbox.support.compilation
 import org.jetbrains.kotlin.konan.test.blackbox.support.LoggedData
 import org.jetbrains.kotlin.test.services.JUnit5Assertions.fail
 
-class CompilationToolException(val reason: String) : Exception()
+class CompilationToolException(val reason: String) : Exception() {
+    override fun toString() = "CompilationToolException: $reason"
+}
 
 internal sealed interface TestCompilationResult<A : TestCompilationArtifact> {
     sealed interface ImmediateResult<A : TestCompilationArtifact> : TestCompilationResult<A> {